电絮凝—H_2O_2氧化法处理邻苯二甲酸二甲酯废水的机理研究  

Mechanism Study on Treatment of Dimethyl Phthalate Wastewater by Electrocoagulation-H_2O_2 Oxidation Process

作　　者：黄永茂[1] 

机构地区：[1]河北化工医药职业技术学院化学与环境工程系,河北石家庄050026

出　　处：《化工环保》2010年第4期301-304,共5页Environmental Protection of Chemical Industry

摘　　要：采用电絮凝—H2O2氧化法处理邻苯二甲酸二甲酯(DMP)废水,利用多种分析手段对处理过程进行跟踪。实验结果表明整个处理过程可以分为两个阶段:当反应时间为0～8h时,以电Fenton氧化反应为主,产生的羟基自由基有效地降解了反应液中的DMP;当反应8h后,以絮凝作用和气浮作用为主。在氧化过程中,DMP中的甲基先被氧化生成邻苯二甲酸,苯环被开环并生成链状低级烃类,最后这些有机小分子几乎完全被矿化为CO2和H2O。The electrocoagulation-H2O2 oxidation process was used to treat dimethyl phthalate(DMP) wastewater and studied by a variety of analysis methods.The experimental results show that the process can be divided into two sections.When the reaction time is 0～8 h,the main removal mechanism is electric Fenton oxidation,which can create hydroxyl radicals to degrade DMP effectively;When the reaction time is over 8 h,the main removal mechanisms are coagulation and flotation.During the oxidation process,DMP methyl is fi...

关 键 词：邻苯二甲酸二甲酯 电絮凝 过氧化氢 氧化 废水处理 

分 类 号：X703[环境科学与工程—环境工程]